55940577 has 32 divisors (see below), whose sum is σ = 97044480. Its totient is φ = 27793920.

The previous prime is 55940561. The next prime is 55940581. The reversal of 55940577 is 77504955.

It is not a de Polignac number, because 55940577 - 2⁴ = 55940561 is a prime.

It is not an unprimeable number, because it can be changed into a prime (55940527) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 49 + ... + 10577.

It is an arithmetic number, because the mean of its divisors is an integer number (3032640).

Almost surely, 2^55940577 is an apocalyptic number.

It is an amenable number.

55940577 is a deficient number, since it is larger than the sum of its proper divisors (41103903).

55940577 is a wasteful number, since it uses less digits than its factorization.

55940577 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10573.

The product of its (nonzero) digits is 220500, while the sum is 42.

The square root of 55940577 is about 7479.3433535304. The cubic root of 55940577 is about 382.4508647209.

The spelling of 55940577 in words is "fifty-five million, nine hundred forty thousand, five hundred seventy-seven".